package com.tanhua.dubbo.Api;

import com.tanhua.dubbo.api.CommentApi;
import com.tanhua.model.enums.CommentType;
import com.tanhua.model.mongo.Comment;
import com.tanhua.model.mongo.Movement;
import org.apache.dubbo.config.annotation.DubboService;
import org.bson.types.ObjectId;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Sort;
import org.springframework.data.mongodb.core.FindAndModifyOptions;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.data.mongodb.core.query.Update;

import java.util.List;

/**
 * @author 刘付磊
 * @date 2021/11/18 0018
 */
@DubboService
public class CommentApiImpl implements CommentApi {
    @Autowired
    private MongoTemplate mongoTemplate;

    @Override
    public Integer save(Comment comment1) {
        //1.查询动态
        Movement movement = mongoTemplate.findById(comment1.getPublishId(), Movement.class);
        //2.向comment对象设置被评论人属性
        if(movement != null){
            comment1.setPublishUserId(movement.getUserId());
        }
        //3.保存到数据库
        mongoTemplate.save(comment1);
        //4.更新动态表中的对应字段

        Query query = Query.query(Criteria.where("id").is(comment1.getPublishId()));
        Update update = new Update();
        if(comment1.getCommentType() ==CommentType.COMMENT.getType()){
            update.inc("commentCount",1);
        }else if (comment1.getCommentType() ==CommentType.LIKE.getType()){
            update.inc("likeCount",1);
        }else{
            update.inc("loveCount",1);
        }
        //设置更新参数
        FindAndModifyOptions options = new FindAndModifyOptions();
        options.returnNew(true);//获取更新后的最新数据
        //5.获取最新你的评论数量，并返回
        Movement andModify = mongoTemplate.findAndModify(query, update, options, Movement.class);
        return andModify.statisCount(comment1.getCommentType());
    }

    @Override
    public List<Comment> findComments(Integer page, Integer pagesize, String movementId, CommentType comment) {
        //1.构造查询条件
        Query query = Query.query(Criteria.where("publishId")
                .is(new ObjectId(movementId))
                .and("commentType").is(comment.getType())).skip((page-1)*pagesize).limit(pagesize).with((Sort.by(Sort.Order.desc("created"))));
        return mongoTemplate.find(query,Comment.class);

    }

    @Override
    public Boolean haveCovement(String movementId, Long userId, CommentType like) {
        Criteria criteria = Criteria.where("userId").is(userId).and("publishId").is(new ObjectId(movementId))
                .and("commentType").is(like.getType());
        Query query = Query.query(criteria);
        return mongoTemplate.exists(query,Comment.class);//判断数据是否存在
    }

    @Override
    public Integer remove(Comment comment) {
        Criteria criteria = Criteria.where("userId").is(comment.getUserId()).
                and("publishId").is(comment.getPublishId())
                .and("commentType").is(comment.getCommentType());
        Query query = Query.query(criteria);
        mongoTemplate.remove(query,Comment.class);


        Query query2 = Query.query(Criteria.where("id").is(comment.getPublishId()));
        Update update = new Update();
        if(comment.getCommentType() ==CommentType.COMMENT.getType()){
            update.inc("commentCount",-1);
        }else if (comment.getCommentType() ==CommentType.LIKE.getType()){
            update.inc("likeCount",-1);
        }else{
            update.inc("loveCount",-1);
        }



        FindAndModifyOptions options = new FindAndModifyOptions();
        options.returnNew(true);//获取更新后的最新数据
        //5.获取最新你的评论数量，并返回
        Movement andModify = mongoTemplate.findAndModify(query2, update, options, Movement.class);
        return andModify.statisCount(comment.getCommentType());
    }
}
